Nouns denoting natural phenomena

luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies
the magnetic field of a planet; the volume around the planet in which charged particles are subject more to the planet's magnetic field than to the solar magnetic field
covalent bond
a chemical bond that involves sharing a pair of electrons between atoms in a molecule
nuclear resonance
the resonance absorption of a gamma ray by a nucleus identical to the nucleus that emitted the gamma ray
absorption spectrum
the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
optical opacity
opacity to light
a tendency or force that influences events
a strong upward air current
atomic power
nuclear energy regarded as a source of electricity for the power grid (for civilian use)
generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature
systemic circulation
circulation that supplies blood to all the body except to the lungs
a strong current of air
radiation field
a field that represents the energy lost from the radiator to space
partially melted snow (or a mixture of rain and snow)
arterial pressure
the pressure of the circulating blood on the arteries
moon ray
a ray of moonlight
pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions
mock sun
a bright spot on the parhelic circle; caused by diffraction by ice crystals
a wall of water rushing ahead of the flood
position effect
(genetics) the effect on the expression of a gene that is produced by changing its location in a chromosome
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